com.goldencode.p2j.jmx

Class QueryProfilerJMX

java.lang.Object

com.goldencode.p2j.jmx.AbstractCounter

com.goldencode.p2j.jmx.QueryProfilerJMX

public class QueryProfilerJMX
extends AbstractCounter

Direct access to the query profiling resource.

Field Summary

Fields

Modifier and Type	Field and Description
private static CentralLogger	LOG Logger
protected java.util.function.ObjLongConsumer<java.lang.String>	publishCacheHits Publisher for the number of cache hits
protected java.util.function.ObjLongConsumer<java.lang.String>	publishCacheMisses Publisher for the number of cache misses
protected java.util.function.ObjLongConsumer<java.lang.String>	publishHydrateTotalTime Publisher for the total time spent in hydrate
protected java.util.function.ObjLongConsumer<java.lang.String>	publishRowsCount Publisher for the number of rows extracted from result sets

Fields inherited from class com.goldencode.p2j.jmx.AbstractCounter

enabled, enabler

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	QueryProfilerJMX(java.util.function.ObjLongConsumer<java.lang.String> publishRowsCount, java.util.function.ObjLongConsumer<java.lang.String> publishCacheHits, java.util.function.ObjLongConsumer<java.lang.String> publishCacheMisses, java.util.function.ObjLongConsumer<java.lang.String> publishHydrateTotalTime) Constructor

Method Summary

Modifier and Type	Method and Description
static QueryProfilerJMX	getInstance(OptionalQueryProfiler profiler) Create and register instance
void	hydrateTotalTimer(java.sql.ResultSet rs, Operation code) Update the total time spent in hydrate
void	updateCacheHits(java.sql.ResultSet rs, long value) Update the number of cache hits
void	updateCacheMisses(java.sql.ResultSet rs, long value) Update the number of cache misses
void	updateRowsCount(java.sql.ResultSet rs, long value) Update the number of rows extracted from result sets

Methods inherited from class com.goldencode.p2j.jmx.AbstractCounter

getEnabler, isEnabled, setEnabled, setEnabler

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

LOG

private static final CentralLogger LOG

Logger

publishRowsCount

protected final java.util.function.ObjLongConsumer<java.lang.String> publishRowsCount

Publisher for the number of rows extracted from result sets

publishCacheHits

protected final java.util.function.ObjLongConsumer<java.lang.String> publishCacheHits

Publisher for the number of cache hits

publishCacheMisses

protected final java.util.function.ObjLongConsumer<java.lang.String> publishCacheMisses

Publisher for the number of cache misses

publishHydrateTotalTime

protected final java.util.function.ObjLongConsumer<java.lang.String> publishHydrateTotalTime

Publisher for the total time spent in hydrate

Constructor Detail

QueryProfilerJMX

protected QueryProfilerJMX(java.util.function.ObjLongConsumer<java.lang.String> publishRowsCount,
                           java.util.function.ObjLongConsumer<java.lang.String> publishCacheHits,
                           java.util.function.ObjLongConsumer<java.lang.String> publishCacheMisses,
                           java.util.function.ObjLongConsumer<java.lang.String> publishHydrateTotalTime)

Constructor

Parameters:

publishRowsCount - Publisher for the number of rows extracted from result sets

publishCacheHits - Publisher for the number of cache hits

publishCacheMisses - Publisher for the number of cache misses

publishHydrateTotalTime - Publisher for the total time spent in hydrate

Method Detail

getInstance

public static QueryProfilerJMX getInstance(OptionalQueryProfiler profiler)

Create and register instance

Parameters:

profiler - Query Profiler MBean

Returns:

new QueryProfilerJMX instance

updateRowsCount

public void updateRowsCount(java.sql.ResultSet rs,
                            long value)

Update the number of rows extracted from result sets

Parameters:

rs - The result set used by the query. Avoid overhead for extracting the statement unless the profiler is enabled.

value - The value used for update.

updateCacheHits

public void updateCacheHits(java.sql.ResultSet rs,
                            long value)

Update the number of cache hits

Parameters:

rs - The result set used by the query. Avoid overhead for extracting the statement unless the profiler is enabled.

value - The value used for update.

updateCacheMisses

public void updateCacheMisses(java.sql.ResultSet rs,
                              long value)

Update the number of cache misses

Parameters:

rs - The result set used by the query. Avoid overhead for extracting the statement unless the profiler is enabled.

value - The value used for update.

hydrateTotalTimer

public void hydrateTotalTimer(java.sql.ResultSet rs,
                              Operation code)

Update the total time spent in hydrate

Parameters:

rs - The result set used by the query. Avoid overhead for extracting the statement unless the profiler is enabled.

code - The code responsible for hydrate.